A Convenient Catalytic Method for the Dihydroxylation of Alkenes by Hydrogen Peroxide

Venturello, Carlo; Gambaro, Mario

doi:10.1055/s-1989-27229

Cited by 56 publications

(23 citation statements)

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“…POMs/H 2 O 2 have been the subject of many studies (Venturello and Gambaro 1989, Sakata and Ishii 1991, Sakaue et al 1992, Hill and Poser-McCartha 1995, Okuhara et al 1996, Zhang et al 2001). These compounds .…”

Section: Polyoxometalates (Pom)mentioning

confidence: 99%

Deep oxidative desulfurization of liquid fuels

Mjalli

Ahmed

Al-Wahaibi

et al. 2014

Reviews in Chemical Engineering

164

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Increase in energy demand and consumption has been accompanied by a corresponding increase in sulfur emissions. These pollutants have both health and economic consequences. Furthermore, it significantly reduces the efficiency of advanced emission control systems of diesel engines, thereby indirectly causing more harm to the environment. This resulted in stringent sulfur emission limit down to about 15 ppm or less and in turn served as an incentive for research into alternative sulfur reduction technologies. Although feasible improvements to hydrodesulfurization are currently under investigation, adsorptive, extractive, oxidative and biodesulfurization have also been studied in recent years. Oxidative desulfurization appears to be one of the most promising desulfurization technologies due to its broadness and compatibility with other technologies such as extractive, adsorptive and biodesulfurization. The advent of ionic liquids as extraction solvents has made this even more so. This work, therefore, reviews the different approaches and investigations carried out on oxidative desulfurization while identifying research gaps and giving important recommendations.

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Section: Polyoxometalates (Pom)mentioning

confidence: 99%

Deep oxidative desulfurization of liquid fuels

Mjalli

Ahmed

Al-Wahaibi

et al. 2014

Reviews in Chemical Engineering

164

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“…H 2 O 2 under the organic solvent-free conditions was examined. [30][31][32][33][34][35][36][37][38][39][40][41][42] We were pleased to find that PWAA showed a very high catalytic activity on epoxidation. In the presence of 2.7ϫ10…”

Section: Epoxidation Of Allylic Alcoholsmentioning

confidence: 99%

Self-Assembled Complexes of Non-cross-linked Amphiphilic Polymeric Ligands with Inorganic Species: Highly Active and Reusable Solid-Phase Polymeric Catalysts

Yamada

2005

CHEMICAL & PHARMACEUTICAL BULLETIN

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IntroductionDevelopment of immobilized and insoluble metal catalysts is of great interest in recent organic chemistry. [1][2][3][4][5][6][7][8][9] The simple recovery of catalysts by filtration and their reuses resulted in enhancing the economical evaluation of the reaction. At the same time, there is a prospect that the environmental pollution caused by residual metals in the waste fluid will be decreased. Although a great deal of effort has been made to carry out such ideal reactions using immobilized metal catalysts, what seems to be lacking is the efficiency of the catalytic systems. It is obvious that the heterogeneous catalytic systems exhibit generally lower activity than the homogeneous ones. Besides, it is expected that the activity of the catalysts decreases gradually in the recycled systems because the metal species leaches away from their supports. Taking these into consideration, we decided to concentrate on developing insoluble metal catalysts which are highly active and stable. We designed that they were still effective in the use of ppm mol eq, and in the recycled use of many times in any reaction media. To achieve the challenging theme, we have focused on the amphiphilic insoluble catalysts based on a novel concept (Chart 1).Over the past few decades, a considerable numbers of study have been made on solid-phase catalysts which were immobilized with cross-linked polystyrene resins, silica gels or metals. These catalytic systems, however, generally resulted in lower catalytic activity compared with their soluble counterparts, and were often obliged to use hazardous chlorohydrocarbon solvents. [10][11][12][13][14][15] Besides, reuse of these catalysts was often difficult owing to the gradual decline of the catalytic activity. These problems made them less practical.In traditional triphase catalysts, as I have mentioned before, a catalytic species was anchored to a linker that was immobilized to a polymer resin or silica gel (Chart 1, above). In July 2005Chem. Pharm. Bull. 53(7) 723-739 (2005)

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“…pinocarveol). 38 Consequently, it was decided to modify the epoxidation conditions to try and increase the rate of epoxidation of β-pinene and minimize hydrolysis of β-pinene-oxide 18 at the aqueous interface. Gratifyingly, use of 3 mol% VPTC, 1 equiv.…”

Section: Solvent Free Vptc/h 2 O 2 Mediated Epoxidation Of the Alkenementioning

confidence: 99%

“…Since a number of our catalytic epoxidation experiments had resulted in competing in situ hydrolysis of epoxides to afford anti-1,2-diols, it was decided to develop a one-pot stepwise protocol for carrying out Prilezhaev anti dihydroxylation of the alkene bonds of terpenes. 38 Venturello et al have previously reported that low loadings of a preformed Venturello-PTC catalyst could be used to catalyse tandem epoxidation/hydrolysis reactions of aryl-and alkyl-alkene substrates (no terpenes) using benzene as a solvent to afford their corresponding anti-diols. 38 Attempts to employ Venturello's conditions 38 for the epoxidation/hydrolysis of limonene produced variable results, with replacement of benzene with a range of cosolvents (e.g.…”

Section: One-pot Catalytic Epoxidation/hydrolysis Protocol For Prilezmentioning

confidence: 99%

Sustainable catalytic protocols for the solvent free epoxidation and anti-dihydroxylation of the alkene bonds of biorenewable terpene feedstocks using H₂O₂ as oxidant

et al. 2020

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A Convenient Catalytic Method for the Dihydroxylation of Alkenes by Hydrogen Peroxide

Cited by 56 publications

References 0 publications

Deep oxidative desulfurization of liquid fuels

Deep oxidative desulfurization of liquid fuels

Self-Assembled Complexes of Non-cross-linked Amphiphilic Polymeric Ligands with Inorganic Species: Highly Active and Reusable Solid-Phase Polymeric Catalysts

Sustainable catalytic protocols for the solvent free epoxidation and anti-dihydroxylation of the alkene bonds of biorenewable terpene feedstocks using H₂O₂ as oxidant

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A Convenient Catalytic Method for the Dihydroxylation of Alkenes by Hydrogen Peroxide

Cited by 56 publications

References 0 publications

Deep oxidative desulfurization of liquid fuels

Deep oxidative desulfurization of liquid fuels

Self-Assembled Complexes of Non-cross-linked Amphiphilic Polymeric Ligands with Inorganic Species: Highly Active and Reusable Solid-Phase Polymeric Catalysts

Sustainable catalytic protocols for the solvent free epoxidation and anti-dihydroxylation of the alkene bonds of biorenewable terpene feedstocks using H2O2 as oxidant

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Sustainable catalytic protocols for the solvent free epoxidation and anti-dihydroxylation of the alkene bonds of biorenewable terpene feedstocks using H₂O₂ as oxidant